mirror of
https://github.com/Relintai/godot-steering-ai-framework.git
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54 lines
1.5 KiB
GDScript3
54 lines
1.5 KiB
GDScript3
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extends GSTSteeringBehavior
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class_name GSTBlend
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"""
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Blends multiple steering behaviors into one, and returns acceleration combining all of them.
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Each behavior is associated with a weight - a modifier by which the result will be multiplied by,
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then added to a total acceleration.
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"""
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onready var _behaviors: = []
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onready var _accel: = GSTTargetAcceleration.new()
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func _init(agent: GSTSteeringAgent).(agent) -> void:
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pass
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func add(behavior: GSTSteeringBehavior, weight: float) -> void:
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behavior.agent = agent
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_behaviors.append(GSTBehaviorAndWeight.new(behavior, weight))
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func get_behavior_at(index: int) -> GSTBehaviorAndWeight:
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if _behaviors.size() > index:
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return _behaviors[index]
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printerr("Tried to get index " + str(index) + " in array of size " + str(_behaviors.size()))
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return null
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func _calculate_steering(blended_accel: GSTTargetAcceleration) -> GSTTargetAcceleration:
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blended_accel.set_zero()
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for i in range(_behaviors.size()):
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var bw: GSTBehaviorAndWeight = _behaviors[i]
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bw.behavior.calculate_steering(_accel)
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blended_accel.add_scaled_accel(_accel, bw.weight)
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blended_accel.linear = Utils.clampedv3(blended_accel.linear, agent.max_linear_acceleration)
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if blended_accel.angular > agent.max_angular_acceleration:
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blended_accel.angular = agent.max_angular_acceleration
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return blended_accel
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class GSTBehaviorAndWeight:
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var behavior: GSTSteeringBehavior
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var weight: float
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func _init(behavior: GSTSteeringBehavior, weight: float) -> void:
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self.behavior = behavior
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self.weight = weight
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